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Age estimation model training method, age estimation method and corresponding device

A technique for estimating models and training methods, which is applied in the field of age estimation methods and corresponding devices and training methods, which can solve problems that need to be improved, and achieve the effect of improving prediction results and ensuring performance

Active Publication Date: 2019-09-27
CHENGDU KUANGSHI JINZHI TECH CO LTD +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the current research on age estimation has been greatly improved, because the face age is a "dynamic" personalization process, the existing age estimation schemes still need to be improved.

Method used

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  • Age estimation model training method, age estimation method and corresponding device
  • Age estimation model training method, age estimation method and corresponding device
  • Age estimation model training method, age estimation method and corresponding device

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Embodiment Construction

[0068] Embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present application, and should not be construed as limiting the present invention.

[0069] Those skilled in the art will understand that unless otherwise stated, the singular forms "a", "an", "said" and "the" used herein may also include plural forms. It should be further understood that the word "comprising" used in the specification of the present application refers to the presence of the features, integers, steps, operations, elements and / or components, but does not exclude the presence or addition of one or more other features, Integers, steps, operations, elements, components, and / or groups thereof. It will be u...

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Abstract

The embodiment of the invention provides an age estimation model training method, an age estimation method and a corresponding device, and the method comprises the steps: obtaining a training sample, and enabling each sample to be a face image marked with a corresponding age label; determining age label distribution corresponding to the age labels of the samples; based on the samples and the age label distribution, training an age estimation model until a total loss function of the age estimation model converges; wherein the total loss function comprises a distribution loss function and a regression loss function, the distribution loss function represents the difference between the age label distribution and the predicted age distribution of the sample, and the regression loss function represents the difference between the age label and the predicted age value of the sample. Based on the scheme provided by the embodiment of the invention, the accuracy of age prediction can be effectively improved, and the actual application requirements are better met.

Description

technical field [0001] The present application relates to the field of computer technology, and in particular, the present application relates to a training method of an age estimation model, an age estimation method, and a corresponding device. Background technique [0002] The age process of the face is relatively difficult to control and very personalized. The traditional methods before deep learning often have the problem of insufficient generalization ability. In recent years, in age estimation, deep CNN (Convolutional Neural Network, Convolutional Neural Network) has become the main research method because of its strong generalization ability. Although the current research on age estimation has been greatly improved, because the face age is a "dynamic" personalization process, the existing age estimation schemes still need to be improved. Contents of the invention [0003] The embodiment of the present application provides a training method for an age estimation mod...

Claims

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Application Information

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IPC IPC(8): G06K9/00G06K9/62
CPCG06V40/178G06V40/172G06F18/241
Inventor 章超刘帅成
Owner CHENGDU KUANGSHI JINZHI TECH CO LTD
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